<html>
    <head>
        <meta charset="UTF-8">
    </head>
    
    <body>
        <p id="word">1234567890</p>
        <ul>
            <li class="change">你好</li>
            <li>我好</li>
            <li>大家好</li>
            <li>才是真的好</li>
        </ul>
    </body>
    
</html>